Analysis and explanations of the Richter Rauzer variation in the Sicilian, namely the line 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7. The book is prepared for the Black repertoire, contains both analysis and word explanations. Most variations examine the basic line 9.f4 b5, however the other possibilities of White in 9th move are also included. This variation belongs to the main repertoire of both Croatian grandmasters - they use it regularly, Zdenko Kozul played it in more than 100 games. Further information about the book and a sample are available at thinkerspublishing.com